Collapsible wrench set

- Chain-Tool Company, Inc.
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Description

FIG. 1 is a top perspective view of the collapsible wrench set showing my new design in the open position;

FIG. 2 is a top perspective view of the collapsible wrench set showing my new design in the collapsed position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is an opposite side elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
384592 June 1888 Ross
472147 April 1892 Sullivan
992913 May 1911 Seils
1169496 January 1916 Knauff
1316398 September 1919 Steininger
2097361 October 1937 Bagley
2199899 May 1940 Watson
2426763 September 1947 Curtis
2504345 April 1950 Nellis
2951405 September 1960 Engquist
3039339 June 1962 Hanson
3138983 June 1964 Frizzell
3188895 June 1965 Jones
3203285 August 1965 Schmidt
4269311 May 26, 1981 Rich
4384499 May 24, 1983 Shockley
4606247 August 19, 1986 Graham
Foreign Patent Documents
1240971 August 1960 FRX
Patent History
Patent number: D306127
Type: Grant
Filed: Dec 31, 1986
Date of Patent: Feb 20, 1990
Assignee: Chain-Tool Company, Inc. (North Salt Lake, UT)
Inventors: Charles H. Graham, deceased (late of Lava Hot Springs, ID), by Scott H. Hogan, special administrator (Bountiful, UT)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Application Number: 7/910
Classifications
Current U.S. Class: D/8105; D 8/21; D 8/22